3 sizes of dog toothbrushes: Suitable for all Small Medium Large Dogs. Choose the right size based on the size of the dog. Made of high quality rubber, nontoxic ,durable, 360-degree bristle configuration, bite resistance and easy to clean Encourages pets to clean their teeth daily against serious health issues Novel design: This toothbrush stick covers with bristles on the top and has a holding base on the bottom. Rigid bristles helps to grind away plaque and loosen tartar in hard to reach places. Made from a strong food grade silicone adding the flavour of the meat, the dog will love to chew it and that is chew resistant.